Title:
OIL SCRAPING RING COMBINED WITH COILED EXPANDER
United States Patent 3467397
US Patent References:
Furniture clamping device
- - 2848289

Piston ring
- - 3066943

Hub
- - 3323817


Inventors:
Sugahara, Eisuke
Publication Date:
09/16/1969
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Assignee:
NIPPON PISTON RING CO LTD
Primary Class:
277/444
Other Classes:
277/474, 277/463
International Classes:
F16J9/06; F16J9/20; F16J9/00; F16L9/06; F16J9/04




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